{"product_id":"1791-16b0-allen-bradley-block-i-o-series-digital-input-module","title":"1791-16B0 Allen-Bradley Block I\/O Series Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1791-16B0\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1791-16B0\u003c\/strong\u003e Block I\/O Input Module, operates as a dedicated hardware component for 24 VDC discrete signal acquisition within Allen-Bradley Block I\/O control networks. The module provides 16 digital input points for direct field device signal collection.\u003c\/p\u003e\n\u003ch3\u003eModel Identification \u0026amp; Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1791-16B0 belongs to the Allen-Bradley Block I\/O family and provides a fixed 16-point digital input configuration. Related catalog references include 179116B0, 1791-16BO\/A, and 1791-16BO\/B.\u003c\/p\u003e\n\u003cp\u003eThe module is designed for connection of discrete field devices requiring 24 VDC input monitoring. It functions as a remote I\/O interface between field wiring and the connected PLC control system.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1791-16B0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O 24 VDC 16 Point Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.52 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e17.8 x 8.3 x 9.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDigital DC Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O Remote Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eIndustrial Block Style Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in available documentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified in available documentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8538903000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer on 06\/30\/2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control Network Compatibility\u003c\/h3\u003e\n\u003cp\u003eAllen-Bradley Block I\/O modules are designed for distributed PLC architectures where field signals are collected outside the main control cabinet. The 1791-16B0 supports I\/O density scaling by providing multiple discrete input channels within a compact remote module format.\u003c\/p\u003e\n\u003cp\u003eThe module operates as part of Allen-Bradley industrial control systems where digital field states are transferred to the controller through the selected Block I\/O communication architecture. Installation should follow the applicable PLC network design and controller configuration requirements.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThe standard shipment configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1791-16B0 Block I\/O 24 VDC 16 Point Input Module\u003c\/li\u003e\n\u003cli\u003e1 x Product identification label with catalog information\u003c\/li\u003e\n\u003cli\u003e1 x Factory-installed hardware assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional accessories such as field connectors, mounting hardware, and network interface components depend on the original system installation requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify field input voltage compatibility before connecting external devices.\u003c\/li\u003e\n\u003cli\u003eSeparate DC input wiring from high-voltage power conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eUse appropriate terminal tightening procedures according to the installation documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and Noise Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect shielding and grounding according to the cabinet grounding design.\u003c\/li\u003e\n\u003cli\u003eMaintain proper cable routing separation between signal wiring and motor or drive power cables.\u003c\/li\u003e\n\u003cli\u003eConfirm field device polarity before applying 24 VDC input power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration Check\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the PLC controller configuration matches the installed Block I\/O module type.\u003c\/li\u003e\n\u003cli\u003eConfirm input addressing and channel assignment before commissioning.\u003c\/li\u003e\n\u003cli\u003eInspect all field connections before energizing the control system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main function of the Allen-Bradley 1791-16B0?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1791-16B0 is a 24 VDC digital input Block I\/O module designed to collect discrete field signals through 16 input channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many input points are available on this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides 16 digital input points for monitoring external 24 VDC field devices connected to the control system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1791-16B0 compatible with analog signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module is designed for discrete digital input signals and does not provide analog measurement capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1791-16B0 support hot swapping?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHot swapping capability is not specified in the available documentation. System power should be removed before module replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat voltage level does the input module use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is specified for 24 VDC input operation for industrial discrete signal monitoring applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the module be installed in a standard PLC rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1791-16B0 is a Block I\/O module and is not installed as a standard rack-mounted chassis module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat installation factors affect signal performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProper grounding, cable separation, and correct field wiring practices help reduce electrical noise and signal interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs firmware compatibility information available for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpecific firmware revision details are not provided in the available documentation. Controller compatibility should be verified before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066453905581,"sku":"1791-16B0","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1791-16B0_15.jpg?v=1785426445","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1791-16b0-allen-bradley-block-i-o-series-digital-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}